The causal influence of brain size on human intelligence: Evidence from within-family phenotypic associations and GWAS modeling

There exists a moderate correlation between MRI-measured brain size and the general factor of IQ performance (g), but the question of whether the association reflects a theoretically important causal relationship or spurious confounding remains somewhat open. Previous small studies (n 〈100) looking...

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Bibliographic Details
Published in:	Intelligence (Norwood) Vol. 75; pp. 48 - 58
Main Authors:	Lee, James J., McGue, Matt, Iacono, William G., Michael, Andrew M., Chabris, Christopher F.
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01.07.2019 Elsevier Science Ltd
Subjects:	Associations Brain Brain size Causal inference Causality Cognition Cognitive evolution Families & family life General factor Genetic diversity Genetics Genomes Genomics Human evolution Inference Intelligence Intelligence tests Magnetic resonance imaging Natural selection Statistical genetics Statistics Variants Cognitive evolution Causal inference Intelligence Statistical genetics Brain size
ISSN:	0160-2896, 1873-7935
Online Access:	Get full text
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